1 egg
2 c. Bisquick
1 c. mashed banana
1/4 c. sugar
2 tbsp. milk
2 tbsp. melted butter

Heat oven to 400 degrees. Grease bottoms or line with papers. Beat egg slightly; stir in remaining ingredients just until moistened. Divide batter among cups. Bake until brown, 15 to 17 minutes. 12 muffins.